havoc· Moto GP Racer
Maybe just fuel impurities pooling at the bottom? I've never had sludge that bad in any tank. Closest to that was a fourwheeler I had when I was a kid that had fuel always standing in it. It left some slime in the carb and some mud looking stuff in the tank. Not as much as that though.OveRReV said:looks like water dude, it could've been there a long time that's why it looks like that.